Going to the link and reading it, I find:

"This is our densest dvd, packed with almost 3 hours of clear, easy-to-remember instructions for splicing every commonly used rope. Splices covered include:
Double Braid Eye Splice
Sta-set X Eye Splice
3-Strand Eye Splice
Regatta Braid Eye Splice
Double Braid End to End Splice
Spectra Eye Splice
Naked Spectra Eye Splice
3-Strand to Chain Splice
Arborist Rope Eye Splice
Featuring Brion Toss' Splicing Wand and the Point Hudson Phid. 140 min."

Given that tapering is an important part of completing a splice... yes, tapering is included.